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 ###Instrução: Quais tentativas contra o valor o porto de Burry RFC tem?
 ###Tabelas: CREATE TABLE league_table (league_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE non-resident_heads_of_missions (non-resident_heads_of_missions_id AUTO_INCREMENT PRIMARY KEY, Mission VARCHAR, Resident Country VARCHAR, Local Location VARCHAR, Local Mission VARCHAR, Non-Resident Head of Mission VARCHAR, Local Position VARCHAR) CREATE TABLE doubles_9_finals_5_titles_4_runner-ups (doubles_9_finals_5_titles_4_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE eurovision_song_contest_entries (eurovision_song_contest_entries_id AUTO_INCREMENT PRIMARY KEY, Year INT, Song VARCHAR, Artist VARCHAR, Place VARCHAR, Points VARCHAR, Composer VARCHAR) CREATE TABLE release_history_and_variations (release_history_and_variations_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Region VARCHAR, Label VARCHAR, Catalogue VARCHAR, Format VARCHAR)  
SELECT Tries against FROM league_table WHERE Club = burry port rfc